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1743EFTL2400binary search, dp1743FIntersection and Union2300data structures, dp, matrices1746CPermutation Operations1300constructive algorithms, greedy, implementation1746DPaths on the Tree1900dfs and similar, dp, greedy1747DYet Another Problem1900binary search, bitmasks, constructive algorithms1763BIncinerate1200binary search, brute force, data structures1763CAnother Array Problem2000brute force, constructive algorithms, greedy1763DValid Bitonic Permutations2200combinatorics, dp, implementation1763ENode Pairs2200dp, graphs, math1767CCount Binary Strings2100data structures, dp1767DPlayoff1500combinatorics, constructive algorithms, dp176ATrading Business1200greedy, sortings176BWord Cut1700dp1776BVittorio Plays with LEGO Bricks2200dp, geometry1776FTrain Splitting1700constructive algorithms, graphs, greedy1776GAnother Wine Tasting Event2100combinatorics, constructive algorithms, math1776HBeppa and SwerChat1300two pointers1776LControllers1500binary search, math1777CQuiz Master1700binary search, math, number theory1777DScore of a Tree1900bitmasks, combinatorics, dfs and similar1777EEdge Reverse2200binary search, dfs and similar, graphs1777FComfortably Numb2400bitmasks, data structures, divide and conquer1783BMatrix of Differences1100constructive algorithms, math1783CYet Another Tournament1700binary search, greedy, sortings1783DDifferent Arrays2000brute force, dp, implementation1783EGame of the Year2300brute force, data structures, math1787BNumber Factorization1100greedy, math, number theory1787CRemove the Bracket1600dp, greedy, math1787DGame on Axis1900combinatorics, dfs and similar, dsu1787EThe Harmonization of XOR2100bitmasks, constructive algorithms, greedy1792BStand-up Comedian1200greedy, math1792CMin Max Sort1500binary search, brute force, greedy1792DFixed Prefix Permutations1700binary search, bitmasks, data structures1792EDivisors and Table2400brute force, dfs and similar, dp1796CMaximum Set1600binary search, math1796DMaximum Subarray2000data structures, dp, greedy17ANoldbach problem1000brute force, math, number theory17BHierarchy1500dfs and similar, dsu, greedy1801BBuying gifts1800data structures, greedy, sortings1801CMusic Festival1900binary search, data structures, dp1801DThe way home2100binary search, data structures, dp1804BVaccination1000greedy, implementation1804CPull Your Luck1500brute force, greedy, math1804DAccommodation2000brute force, dp, greedy1804ERouting2400bitmasks, brute force, dfs and similar1805CPlace for a Selfie1400binary search, data structures, geometry1805DA Wide, Wide Graph1800dfs and similar, dp, graphs1805EThere Should Be a Lot of Maximums2300brute force, data structures, dfs and similar1809BPoints on Plane1000binary search, greedy, math1809CSum on Subarrays1500constructive algorithms, greedy, math
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